FrictionalForce Molybdenum_disulfide Wafer neodymium_magnets Water BiasMode Worcester_Polytechnic_Institute lithography self_assembly Subhajjit Magnets Ram AdhesionForce LiftHeight ContactModeDot HydroGel MembraneFilter Zagreb Memory MESA structure MolybdenumDisulfide SRAM LiquidCell PolyimideFilm SmalScan RedBloodCell Polyurethane Hole Electrode thermoplastic_elastomers SurfaceChange INSPParis FAFailureAnlaysis Litho nanobar